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Added Function to Read App Image size from Partition

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This commit is contained in:
simon 2025-09-27 14:26:32 +02:00
parent 337976e637
commit df35def702
3 changed files with 33 additions and 0 deletions
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3
Makefile
View File

@ -66,3 +66,6 @@ monitor1:
monitor2:
idf.py monitor -p /dev/ttyUSB2
flash_second_ota:
parttool.py --port /dev/ttyACM0 write_partition --partition-name="ota_1" --input build/espAlox.bin

27
main/ota_update.c
View File

@ -1,6 +1,7 @@
#include "ota_update.h"
#include "communication_handler.h"
#include "driver/uart.h"
#include "esp_app_format.h"
#include "esp_log.h"
#include "esp_ota_ops.h"
#include "esp_partition.h"
@ -26,6 +27,32 @@ static uint16_t current_block_id;
static uint16_t update_buffer_write_index;
static uint32_t update_size;
static uint16_t sequenz_counter; // how often the update buffer gets written
u_int32_t get_app_size(const esp_partition_t *app_size_partition) {
esp_app_desc_t app_desc;
esp_ota_get_partition_description(app_size_partition, &app_desc);
esp_image_header_t header;
esp_partition_read(app_size_partition, 0, &header, sizeof(header));
if (header.magic != ESP_IMAGE_HEADER_MAGIC) {
ESP_LOGE(TAG, "KEIN VALIDER HEADER");
return 0;
}
u_int32_t data_len = sizeof(header);
for (int i = 0; i < header.segment_count; i++) {
esp_image_segment_header_t segment_header;
esp_partition_read(app_size_partition, data_len, &segment_header,
sizeof(segment_header));
ESP_LOGI(TAG, "SEGMENT %d Address %d, Segment DataLen %d", i,
segment_header.load_addr, segment_header.data_len);
data_len += segment_header.data_len + sizeof(segment_header);
}
return data_len;
}
void ota_task(void *pvParameter) {
ESP_LOGI(TAG, "ota_task started");
ota_task_queue_message_t msg;

3
main/ota_update.h
View File

@ -5,6 +5,7 @@
#include <stdint.h>
#include <sys/types.h>
#include "esp_now.h"
#include "esp_partition.h"
#include "message_structs.h"
#define UPDATE_BUFFER_SIZE 4096
@ -44,6 +45,8 @@ enum OTA_UPDATE_STATES {
};
u_int32_t get_app_size(const esp_partition_t *app_size_partition);
int prepare_ota_update();
esp_err_t write_ota_update(uint32_t write_len, const uint8_t *payload);
esp_err_t end_ota_update();